Oakley HSTN SQ Sunglasses - Matte Black Cool Stuff the Mid Tracker Fin is

the Mid Tracker Fin is machine-cut from layers of solid fiberglass

it’s built to keep you dry and protected during any outdoor pursuit

Featuring a classic crewneck design and the iconic Fitz Roy logo

Yulex natural rubber is FSC certified by the Rainforest Alliance

Oakley HSTN SQ Sunglasses - Matte Black Cool Stuff the Mid Tracker Fin isO Matter Frame: Oakleys injection moulded thermoplastic frame material provides improved strength and flexibility over traditional acetate and is built to withstand from shifting or deforming over time. Unobtainium Nosepads: Unobtanium is the first innovative material patented by Oakley to ensure maximum comfort by increasing grip with perspiration and keeping the frame in place without slipping. Oakley lenses are designed and tested under extreme